133274764 has 48 divisors (see below), whose sum is σ = 289154880. Its totient is φ = 52439040.

The previous prime is 133274737. The next prime is 133274767. The reversal of 133274764 is 467472331.

It is not an unprimeable number, because it can be changed into a prime (133274767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16102 + ... + 22930.

It is an arithmetic number, because the mean of its divisors is an integer number (6024060).

Almost surely, 2^133274764 is an apocalyptic number.

133274764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133274764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144577440).

133274764 is an abundant number, since it is smaller than the sum of its proper divisors (155880116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133274764 is a wasteful number, since it uses less digits than its factorization.

133274764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6898 (or 6896 counting only the distinct ones).

The product of its digits is 84672, while the sum is 37.

The square root of 133274764 is about 11544.4689786928. The cubic root of 133274764 is about 510.7981402524.

The spelling of 133274764 in words is "one hundred thirty-three million, two hundred seventy-four thousand, seven hundred sixty-four".